collaborators

9 papers

cs.IR2026

PIXELRAG: Web Screenshots Beat Text for Retrieval-Augmented Generation

Yichuan Wang, Zhifei Li, Zirui Wang +5

Augmenting large language models (LLMs) with retrieved web text has become a dominant paradigm, yet the web is not natively textual: existing systems depend on complex parsing pipe…

cs.CV2026

HyLoVQA: Dynamic Hypernetwork-Generated Low-Rank Adaptation for Continual Visual Question Answering

Yiran Wang, Chenyi Xiong, Ziyue Qin +3

Continual Visual Question Answering (VQA) requires learning from non-stationary streams of visual inputs and questions while preserving past knowledge. Most prior methods adapt by…

cs.IR2026

Modality-Aware Identity Construction and Counterfactual Structure Learning for ID-Free Multimodal Recommendation

Hongjian Ma, Wenxin Huang, Yan Zhang +2

Multimodal recommendation has attracted extensive attention by leveraging heterogeneous modality information to alleviate data sparsity and improve recommendation accuracy. Existin…

cs.AI2026

MyGram: Modality-aware Graph Transformer with Global Distribution for Multi-modal Entity Alignment

Zhifei Li, Ziyue Qin, Xiangyu Luo +6

Multi-modal entity alignment aims to identify equivalent entities between two multi-modal Knowledge graphs by integrating multi-modal data, such as images and text, to enrich the s…

cs.CV2026

MacVQA: Adaptive Memory Allocation and Global Noise Filtering for Continual Visual Question Answering

Zhifei Li, Yiran Wang, Chenyi Xiong +6

Visual Question Answering (VQA) requires models to reason over multimodal information, combining visual and textual data. With the development of continual learning, significant pr…

cs.AI2025

KeenKT: Knowledge Mastery-State Disambiguation for Knowledge Tracing

Zhifei Li, Lifan Chen, Jiali Yi +6

Knowledge Tracing (KT) aims to dynamically model a student's mastery of knowledge concepts based on their historical learning interactions. Most current methods rely on single-poin…